EP2285779A1 - Method for manufacturing aryl carboxamides - Google Patents
Method for manufacturing aryl carboxamidesInfo
- Publication number
- EP2285779A1 EP2285779A1 EP09742078A EP09742078A EP2285779A1 EP 2285779 A1 EP2285779 A1 EP 2285779A1 EP 09742078 A EP09742078 A EP 09742078A EP 09742078 A EP09742078 A EP 09742078A EP 2285779 A1 EP2285779 A1 EP 2285779A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- carboxamide
- pyrazol
- methyl
- difluoromethyl
- trifluorobiphenyl
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C231/00—Preparation of carboxylic acid amides
- C07C231/02—Preparation of carboxylic acid amides from carboxylic acids or from esters, anhydrides, or halides thereof by reaction with ammonia or amines
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D213/78—Carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen, e.g. ester or nitrile radicals
- C07D213/81—Amides; Imides
- C07D213/82—Amides; Imides in position 3
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D231/00—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
- C07D231/02—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings
- C07D231/10—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D231/14—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D231/00—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
- C07D231/02—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings
- C07D231/10—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D231/14—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D231/16—Halogen atoms or nitro radicals
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2601/00—Systems containing only non-condensed rings
- C07C2601/12—Systems containing only non-condensed rings with a six-membered ring
- C07C2601/14—The ring being saturated
Definitions
- the present invention relates to a process for the preparation of arylcarboxamides of the formula (I)
- Ar mono- to trisubstituted phenyl, pyridyl or pyrazolyl, wherein the substituents are independently selected from halogen, Ci-C 4 -AlkVl and Ci-C4-haloalkyl;
- M is thienyl or phenyl which may carry a halogen substituent
- Q is a direct bond, cyclopropylene, a fused bicyclo [2.2.1] heptane or bicyclo [2.2.1] heptene ring;
- R 1 is hydrogen, halogen, Ci-C ⁇ -alkyl, -C 4 -alkoxy, Ci-C 4 -haloalkoxy, mono- to tri-substituted phenyl wherein the substituents are independently selected from halogen and trifluoromethylthio, or cyclopropyl;
- the arylcarboxamides (I) are obtainable in high yields by reacting in the absence of an auxiliary base a) the acid chloride (II), b) setting a pressure of 0 to 700 mbar, c) the arylamine (III) in about dosed stoichiometric amount and d) isolated the desired product.
- the acid chlorides (II) are either commercially available or may be e.g. according to R.C. Larock, Comprehensive Organic Transformations, publishers Wiley-VCH, 2nd Edition 1999, pages 1929 et seq.
- the arylamines (III) are generally obtainable by hydrogenation of the corresponding nitro aromatics. Further details can be found, for example, R.C. Larock, Comprehensive Organic Transformations, publishers Wiley-VCH, 2nd Edition 1999, pages 821 ff.
- halogen denotes each fluoro, chloro, bromo or iodo, preferably fluoro or chloro;
- Ci-C ⁇ -alkyl denotes a saturated, straight-chain or branched hydrocarbon group comprising 1 to 6 carbon atoms, especially 1 to 4 carbon atoms, for example methyl, ethyl, propyl, 1-methylethyl, butyl, 1-methylpropyl, 2-methylpropyl, 1, 1-dimethylethyl, pentyl, 1-methylbutyl, 2-methylbutyl, 3-methylbutyl, 2,2-dimethylpropyl, 1-ethylpropyl, hexyl, 1, 1-dimethylpropyl, 1, 2-dimethylpropyl, 1 Methylpentyl, 2-methylpentyl, 3-methylpentyl, 4-methylpentyl, 1, 1-dimethylbutyl, 1, 2-dimethylbutyl, 1, 3-dimethylbutyl, 2,2-dimethylbutyl, 2,3-dimethylbutyl, 3,3-dimethylbutyl, 1-ethyl, methyl,
- C 1 -C 4 -haloalkyl stands for a partially or completely halogenated C 1 -C 4 -alkyl radical, where the halogen atom (s) is, in particular, fluorine, chlorine and / or bromine, ie, for example, chloromethyl, bromomethyl, dichloromethyl, Trichloromethyl, fluoromethyl, difluoromethyl, trifluoromethyl, chlorofluoromethyl, dichlorofluoromethyl, chlorodifluoromethyl, 1-chloroethyl, 1-bromoethyl, 1-fluoroethyl, 2-fluoroethyl, 2,2-difluoroethyl, 2-chloro-2-fluoroethyl, 2, 2,2-trifluoroethyl, 2-chloro-1, 1, 2-trifluoroethyl, 2-chloro-2,2-difluoroethyl, 2-bromo-2,2-difluoroeth
- C 1 -C 4 -alkoxy is methoxy, ethoxy, n-propoxy, 1-methylethoxy, n-butoxy, 1-methylpropoxy, 2-methylpropoxy or 1, 1-dimethylethoxy, in particular 1-methylethoxy;
- C 1 -C 4 -haloalkoxy denotes a partially or completely halogenated C 1 -C 4 -alkoxy radical, where the halogen atom (s) is, in particular, fluorine, chlorine and / or bromine, ie, for example, OCH 2 Cl, OCH 2 Br, OCHCl 2 , OC (CI) 3 , OCH 2 F, OCHF 2 , OCF 3 , OCHFCI, OCFCI 2 , OCF 2 Cl, OCHCl-CH 3 , OCHBr-CH 3 , OCHF-CH 3 , OCH 2 -CH 2 F, OCH 2 -CHF 2, OCH 2 -CHFCI, OCH 2 -CF 3, OCF 2 -CHFCI, OCH 2 -CF 2 Cl, OCH 2 -CF 2 Br, OCH 2 -CFCI 2, OCH 2 -C (CI ) 3 , OCF 2 -CHF 2 , OC (CI) 2 ,
- carboxamides (I) in which Ar represents a mono- to trisubstituted pyridyl or pyrazolyl ring, the substituents being independently selected from halogen, C 1 -C 4 -alkyl and C 1 -C 4 -haloalkyl.
- Ar represents a di- or tri-substituted pyrazolyl ring, said sub-substituents independently selected from halogen, -C 4 -alkyl and d-C 4 -haloalkyl, in particular fluorine, chlorine , Methyl, difluoromethyl and trifluoromethyl.
- reaction is carried out according to the invention without auxiliary base in an organic solvent which is substantially anhydrous.
- a low water content is understood to mean about 0.5 g to 5 g of water per mole of acid chloride (II) used. Larger amounts of water should be avoided, since the water would lead to an increased consumption of starting materials.
- Useful solvents include, for example, aromatic hydrocarbons such as
- Particularly preferred solvents are the aromatic hydrocarbons, in particular toluene and o-, m-, p-xylene.
- the acid chloride (II) is introduced, the desired pressure is established and the arylamine (III) is metered in.
- metered addition is meant both the portionwise and continuous addition of (III) a) to the surface of the solution of (II) or b) directly into the solution of (II), referred to as "submerged reaction”.
- the pressure is usually chosen so that the reaction mixture boils.
- the reaction is carried out at a pressure between 0 and 700 mbar and a reaction temperature of 20 to 12O 0 C, preferably at 200 to 600 mbar and 70 to 100 0 C, in particular 350 to 450 mbar and 80 to 9O 0 C.
- Acid chloride (II) and arylamine (III) are used approximately equimolar or one of the components in a slight excess to 10 mol%.
- the molar ratio of (III) to (II) is thus usually 0.9: 1 to 1, 1: 1, preferably about 1, 0 to 1, 1.
- the metered addition of (III), preferably dissolved in the organic solvent in which (II) has been initially introduced, is usually carried out in the course of 0.5 to 20 hours, in particular 2 to 10 hours, particularly preferably 3 to 5 hours.
- the release of the carboxamide (I) from the reaction mixture is preferably carried out by direct crystallization or by treatment of the reaction mixture with a suitable base and subsequent crystallization, for example at (-20) to 2O 0 C.
- Suitable bases are alkali metal hydroxides such as sodium and potassium hydroxides, alkali metal carbonates such as sodium and potassium carbonate, alkali metal hydrogencarbonates such as sodium and potassium bicarbonates, alkali metal phosphates such as sodium and potassium phosphate, alkali metal hydrogen phosphates such as sodium and potassium hydrogen phosphate, alkali metal dihydrogen phosphates such as sodium and potassium dihydrogen - Phosphate, and nitrogen bases such as ammonia.
- alkali metal hydroxides such as sodium and potassium hydroxides
- alkali metal carbonates such as sodium and potassium carbonate
- alkali metal hydrogencarbonates such as sodium and potassium bicarbonates
- alkali metal phosphates such as sodium and potassium phosphate
- alkali metal hydrogen phosphates such as sodium and potassium hydrogen phosphate
- alkali metal dihydrogen phosphates such as sodium and potassium dihydrogen - Phosphate
- nitrogen bases such as ammonia.
- alkali metal hydroxides such as sodium and potassium hydroxides
- alkali metal carbonates such as sodium and potassium carbonate
- alkali metal hydrogen carbonates such as sodium and potassium bicarbonate
- the base can be used in solid form or in the form of their commercially available aqueous solutions.
- a 1 to 20 wt.% Aqueous solution is used, wherein the amount is to be such that the pH of the solution at 3 to 12, preferably 7 to 10, lies.
- the crystalline product of value can be purified by conventional methods, e.g. Filtration, to be separated.
- the process products (I) are valuable active ingredients in crop protection.
- the mother liquor (375.0 g) contained 2.8% by weight of 3-difluoromethyl-1-methyl-1H-pyrazole-4-carboxylic acid (3 ', 4', 5'-trifluorobiphenyl-2-yl) - amide. In purely mathematical terms, the yield was thus about 54%.
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Plural Heterocyclic Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Pyridine Compounds (AREA)
- Heterocyclic Compounds Containing Sulfur Atoms (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Verfahren zur Herstellung von Arylcarboxamiden Process for the preparation of arylcarboxamides
Beschreibungdescription
Die vorliegende Erfindung betrifft ein Verfahren zur Herstellung von Arylcarboxamiden der Formel (I)The present invention relates to a process for the preparation of arylcarboxamides of the formula (I)
wobei die Substituenten folgende Bedeutungen haben: where the substituents have the following meanings:
Ar ein- bis dreifach substituierter Phenyl-, Pyridyl- oder Pyrazolylring, wobei die Substituenten unabhängig voneinander ausgewählt sind aus Halogen, Ci-C4-AIkVl und Ci-C4-Halogenalkyl;Ar mono- to trisubstituted phenyl, pyridyl or pyrazolyl, wherein the substituents are independently selected from halogen, Ci-C 4 -AlkVl and Ci-C4-haloalkyl;
M Thienyl oder Phenyl, das einen Halogensubstituenten tragen kann;M is thienyl or phenyl which may carry a halogen substituent;
Q eine direkte Bindung, Cyclopropylen, ein annellierter Bicyclo[2.2.1]heptan- oder Bicyclo[2.2.1]hepten-Ring;Q is a direct bond, cyclopropylene, a fused bicyclo [2.2.1] heptane or bicyclo [2.2.1] heptene ring;
R1 Wasserstoff, Halogen, Ci-Cβ-Alkyl, CrC4-AIkOXy, Ci-C4-Halogenalkoxy, ein- bis dreifach substituiertes Phenyl, wobei die Substituenten unabhängig voneinander ausgewählt sind aus Halogen und Trifluormethylthio, oder Cyclopropyl;R 1 is hydrogen, halogen, Ci-Cβ-alkyl, -C 4 -alkoxy, Ci-C 4 -haloalkoxy, mono- to tri-substituted phenyl wherein the substituents are independently selected from halogen and trifluoromethylthio, or cyclopropyl;
durch Umsetzung eines Säurechlorids der Formel (II)by reacting an acid chloride of the formula (II)
OO
(II)(II)
Ar Cl mit einem Arylamin ( III)Ar Cl with an arylamine (III)
in einem geeigneten nicht-wässrigen Lösungsmittel. in a suitable non-aqueous solvent.
Aus JP-A 2001/172276 ist bekannt, dass Alkyl- oder Phenylcarbonsäurechloride unter reduziertem Druck mit Arylaminen umgesetzt werden können. Die beschriebenen Reaktionen werden ohne Hilfsbase, jedoch in stark verdünnten Lösungen durchgeführt. Für eine großtechnische Herstellung der Arylcarboxamide (I) ist dieses Verfahren allerdings wegen der großen Lösungsmittelmengen ungeeignet. Ein konzentriertere Fahr- weise ist nicht möglich, da diese zu Verklumpung und Durchmischungsproblemen führt, wodurch sich die Ausbeute an Wertprodukt stark verringert.From JP-A 2001/172276 it is known that alkyl or phenylcarboxylic acid chlorides can be reacted under reduced pressure with arylamines. The reactions described are carried out without auxiliary base, but in very dilute solutions. However, this method is unsuitable for large-scale production of arylcarboxamides (I) because of the large amounts of solvent. A more concentrated driving wise, it is not possible because it leads to clumping and mixing problems, which greatly reduces the yield of product of value.
Andere in der Literatur beschiebene Verfahren zur Herstellung von Carboxamiden aus Säurechlorid und Arylamin ohne Verwendung einer Hilfsbase (vgl. z.B. Journal of Combinatorial Chemistry (2003), 5(3), 253-259 , Structural Chemistry (2006), 17(2), 241-247 und JP-A 1973/049217) sind großtechnisch nicht brauchbar, weil sie die gewünschten Wertprodukte nur in schlechten Ausbeuten liefern.Other processes described in the literature for the preparation of carboxamides from acid chloride and arylamine without using an auxiliary base (cf., for example, Journal of Combinatorial Chemistry (2003), 5 (3), 253-259, Structural Chemistry (2006), 17 (2), 241-247 and JP-A 1973/049217) are not industrially useful because they provide the desired value products only in poor yields.
Der Erfindung lag demnach die Aufgabe zugrunde, ein großtechnisch brauchbares Verfahren zur Herstellung der Arylcarboxamide (I) bereitzustellen.It is an object of the invention to provide a process which can be used industrially for the preparation of the arylcarboxamides (I).
Demgemäß wurde gefunden, dass die Arylcarboxamide (I) in hohen Ausbeuten erhältlich sind, indem man in Abwesenheit einer Hilfsbase a) das Säurechlorid (II) vorlegt, b) einen Druck von 0 bis 700 mbar einstellt, c) das Arylamin (III) in etwa stöchiometrischer Menge zudosiert und d) das Wertprodukt isoliert.Accordingly, it has been found that the arylcarboxamides (I) are obtainable in high yields by reacting in the absence of an auxiliary base a) the acid chloride (II), b) setting a pressure of 0 to 700 mbar, c) the arylamine (III) in about dosed stoichiometric amount and d) isolated the desired product.
Die Säurechloride (II) sind entweder kommerziell erhältlich oder können z.B. gemäß R. C. Larock, Comprehensive Organic Transformations, Verlage Wiley-VCH, 2nd Edition 1999, Seiten 1929 ff. hergestellt werden.The acid chlorides (II) are either commercially available or may be e.g. according to R.C. Larock, Comprehensive Organic Transformations, publishers Wiley-VCH, 2nd Edition 1999, pages 1929 et seq.
Die Arylamine (III) sind im allgemeinen durch Hydrierung der entsprechenden Nitro- aromaten erhältlich. Nähere Angaben sind beispielsweise R. C. Larock, Comprehensive Organic Transformations, Verlage Wiley-VCH, 2nd Edition 1999, Seiten 821 ff. zu entnehmen.The arylamines (III) are generally obtainable by hydrogenation of the corresponding nitro aromatics. Further details can be found, for example, R.C. Larock, Comprehensive Organic Transformations, publishers Wiley-VCH, 2nd Edition 1999, pages 821 ff.
Der Begriff „Halogen" bezeichnet jeweils Fluor, Chlor, Brom oder Jod, vorzugsweise Fluor oder Chlor;The term "halogen" denotes each fluoro, chloro, bromo or iodo, preferably fluoro or chloro;
„Ci-Cβ-Alkyl", wie hierin verwendet, bezeichnet eine gesättigte, geradkettige oder verzweigte Kohlenwasserstoffgruppe, umfassend 1 bis 6 Kohlenstoffatome, speziell 1 bis 4 Kohlenstoffatome, beispielsweise Methyl, Ethyl, Propyl, 1-Methylethyl, Butyl, 1-Methylpropyl, 2-Methylpropyl, 1 ,1-Dimethylethyl, Pentyl, 1-Methylbutyl, 2-Methylbutyl, 3-Methylbutyl, 2,2-Dimethylpropyl, 1-Ethylpropyl, Hexyl, 1 ,1-Dimethylpropyl, 1 ,2-Dimethylpropyl, 1-Methylpentyl, 2-Methylpentyl, 3-Methylpentyl, 4-Methylpentyl, 1 ,1-Dimethylbutyl, 1 ,2-Dimethylbutyl, 1 ,3-Dimethylbutyl, 2,2-Dimethylbutyl, 2,3-Dimethylbutyl, 3,3-Dimethylbutyl, 1-Ethylbutyl, 2-Ethylbutyl, 1 ,1 ,2-Trimethylpropyl, 1 ,2,2-Trimethylpropyl, 1-Ethyl-1-methylpropyl, 1-Ethyl-2-methylpropyl und deren Isome- re. Ci-C4-Alkyl umfasst beispielsweise Methyl, Ethyl, Propyl, 1-Methylethyl, Butyl, 1- Methylpropyl, 2-Methylpropyl oder 1 ,1-Dimethylethyl."Ci-Cβ-alkyl", as used herein, denotes a saturated, straight-chain or branched hydrocarbon group comprising 1 to 6 carbon atoms, especially 1 to 4 carbon atoms, for example methyl, ethyl, propyl, 1-methylethyl, butyl, 1-methylpropyl, 2-methylpropyl, 1, 1-dimethylethyl, pentyl, 1-methylbutyl, 2-methylbutyl, 3-methylbutyl, 2,2-dimethylpropyl, 1-ethylpropyl, hexyl, 1, 1-dimethylpropyl, 1, 2-dimethylpropyl, 1 Methylpentyl, 2-methylpentyl, 3-methylpentyl, 4-methylpentyl, 1, 1-dimethylbutyl, 1, 2-dimethylbutyl, 1, 3-dimethylbutyl, 2,2-dimethylbutyl, 2,3-dimethylbutyl, 3,3-dimethylbutyl, 1-ethylbutyl, 2-ethylbutyl, 1, 1, 2-trimethylpropyl, 1, 2,2-trimethylpropyl, 1-ethyl-1-methylpropyl, 1-ethyl-2-methylpropyl and their isomer re. C 1 -C 4 -alkyl includes, for example, methyl, ethyl, propyl, 1-methylethyl, butyl, 1-methylpropyl, 2-methylpropyl or 1, 1-dimethylethyl.
„Ci-C4-Halogenalkyl" steht für einen teilweise oder vollständig halogenierten C1-C4- Alkyl-rest, wobei das/die Halogenatom(e) insbesondere Fluor, Chlor und/oder Brom ist/sind, also z.B. Chlormethyl, Brommethyl, Dichlormethyl, Trichlormethyl, Fluormethyl, Difluor-methyl, Trifluormethyl, Chlorfluormethyl, Dichlorfluormethyl, Chlordifluormethyl, 1-Chlorethyl, 1-Bromethyl, 1-Fluorethyl, 2-Fluorethyl, 2,2-Difluorethyl, 2-Chlor-2-fluor- ethyl, 2,2,2-Trifluorethyl, 2-Chlor-1 ,1 ,2-trifluorethyl, 2-Chlor-2,2-difluorethyl, 2-Brom- 2,2-difluorethyl, 2,2-Dichlor-2-fluorethyl, 2,2,2-Trichlorethyl, 1 ,1 ,2,2-Tetrafluorethyl, 1 ,1 ,2,2-Tetrachlorethyl, Pentafluorethyl, 2,2, 3, 3-Tetrafluor-1 -propyl, 1 ,1 ,2,3,3,3- Hexafluor-1 -propyl, 1 ,1 ,1 ,3,3,3-Hexafluor-2-propyl, Heptafluor-1 -propyl, Heptafluor-2- propyl, 2,2,3,3,4,4,4-Heptafluor-1-butyl oder Nonafluor-1 -butyl, insbesondere für Halogenmethyl, besonders bevorzugt für CH (F)2 und CF3;"C 1 -C 4 -haloalkyl" stands for a partially or completely halogenated C 1 -C 4 -alkyl radical, where the halogen atom (s) is, in particular, fluorine, chlorine and / or bromine, ie, for example, chloromethyl, bromomethyl, dichloromethyl, Trichloromethyl, fluoromethyl, difluoromethyl, trifluoromethyl, chlorofluoromethyl, dichlorofluoromethyl, chlorodifluoromethyl, 1-chloroethyl, 1-bromoethyl, 1-fluoroethyl, 2-fluoroethyl, 2,2-difluoroethyl, 2-chloro-2-fluoroethyl, 2, 2,2-trifluoroethyl, 2-chloro-1, 1, 2-trifluoroethyl, 2-chloro-2,2-difluoroethyl, 2-bromo-2,2-difluoroethyl, 2,2-dichloro-2-fluoroethyl, 2, 2,2-trichloroethyl, 1,1,2,2-tetrafluoroethyl, 1,1,2,2-tetrachloroethyl, pentafluoroethyl, 2,2,3,3-tetrafluoro-1-propyl, 1, 1, 2,3, 3,3-hexafluoro-1-propyl, 1,1,3,3,3,3-hexafluoro-2-propyl, heptafluoro-1-propyl, heptafluoro-2-propyl, 2,2,3,3,4, 4,4-heptafluoro-1-butyl or nonafluoro-1-butyl, in particular for halomethyl, particularly preferably for CH (F) 2 and CF 3;
„Ci -C4-AIkOXy" steht für Methoxy, Ethoxy, n-Propoxy, 1 -Methylethoxy, n-Butoxy, 1- Methylpropoxy, 2-Methylpropoxy oder 1 ,1-Dimethylethoxy, insbesondere für 1 -Methylethoxy;"C 1 -C 4 -alkoxy" is methoxy, ethoxy, n-propoxy, 1-methylethoxy, n-butoxy, 1-methylpropoxy, 2-methylpropoxy or 1, 1-dimethylethoxy, in particular 1-methylethoxy;
„Ci-C4-Halogenalkoxy" steht für einen teilweise oder vollständig halogenierten C1-C4- Alkoxy-Rest, wobei das/die Halogenatom(e) insbesondere Fluor, Chlor und/oder Brom ist/sind, also z.B. OCH2CI, OCH2Br, OCHCI2, OC(CI)3, OCH2F, OCHF2, OCF3, OCHFCI, OCFCI2, OCF2CI, OCHCI-CH3, OCHBr-CH3, OCHF-CH3, OCH2-CH2F, OCH2-CHF2, OCH2-CHFCI, OCH2-CF3, OCF2-CHFCI, OCH2-CF2CI, OCH2-CF2Br, OCH2-CFCI2, OCH2-C(CI)3, OCF2-CHF2, OC(CI)2-CHCI2, OC2F5, OCH2-CF2-CHF2, OCF2-CHF-CF3, OCH(CFs)2, O(n-C3F7), OCF(CF3)2, 2,2,3,3,4,4,4-Heptafluor-1-butoxy oder Nonafluor-1- butoxy, insbesondere für OCF2-CHF-CF3."C 1 -C 4 -haloalkoxy" denotes a partially or completely halogenated C 1 -C 4 -alkoxy radical, where the halogen atom (s) is, in particular, fluorine, chlorine and / or bromine, ie, for example, OCH 2 Cl, OCH 2 Br, OCHCl 2 , OC (CI) 3 , OCH 2 F, OCHF 2 , OCF 3 , OCHFCI, OCFCI 2 , OCF 2 Cl, OCHCl-CH 3 , OCHBr-CH 3 , OCHF-CH 3 , OCH 2 -CH 2 F, OCH 2 -CHF 2, OCH 2 -CHFCI, OCH 2 -CF 3, OCF 2 -CHFCI, OCH 2 -CF 2 Cl, OCH 2 -CF 2 Br, OCH 2 -CFCI 2, OCH 2 -C (CI ) 3 , OCF 2 -CHF 2 , OC (CI) 2 -CHCl 2 , OC 2 F 5 , OCH 2 -CF 2 -CHF 2 , OCF 2 -CHF-CF 3 , OCH (CFs) 2 , O (nC 3 F 7 ), OCF (CF 3 ) 2 , 2,2,3,3,4,4,4-heptafluoro-1-butoxy or nonafluoro-1-butoxy, especially for OCF 2 -CHF-CF 3 .
Die Herstellung der folgenden Arylcarboxamide (I) ist bevorzugt: Benodanil, Bixafen, Boscalid, Flutolanil, Mepronil, Penthiopyrad,The preparation of the following arylcarboxamides (I) is preferred: benodanil, bixafen, boscalid, flutolanil, mepronil, penthiopyrad,
N-(2-Bicyclopropyl-2-yl-phenyl)-3-difluormethyl-1-methylpyrazol-4-yl-carboxamid, N-(3',4',5'-Trifluorbiphenyl-2-yl)-1 ,3-dimethyl-pyrazol-4-yl-carboxamid, N-(3',4',5'-Trifluorbiphenyl-2-yl)-1 ,3-dimethyl-5-fluor-pyrazol-4-yl-carboxamid, N-(3',4',5'-Trifluorbiphenyl-2-yl)-5-chlor-1 ,3-dimethyl-pyrazol-4-yl-carboxamid, N-(3',4',5'-Trifluorbiphenyl-2-yl)-3-fluormethyl-1-methyl-pyrazol-4-yl-carboxamid,N- (2-Bicyclopropyl-2-yl-phenyl) -3-difluoromethyl-1-methylpyrazol-4-yl-carboxamide, N- (3 ', 4', 5'-trifluorobiphenyl-2-yl) -1, 3 -dimethyl-pyrazol-4-yl-carboxamide, N- (3 ', 4', 5'-trifluorobiphenyl-2-yl) -1,3-dimethyl-5-fluoro-pyrazol-4-yl-carboxamide, N- (3 ', 4', 5'-trifluorobiphenyl-2-yl) -5-chloro-1,3-dimethyl-pyrazol-4-yl-carboxamide, N- (3 ', 4', 5'-trifluorobiphenyl-2 -yl) -3-fluoromethyl-1-methyl-pyrazol-4-yl-carboxamide,
N-(3',4',5'-Trifluorbiphenyl-2-yl)-3-(chlorfluormethyl)-1-methyl-pyrazol-4-ylcarboxamid, N-(3',4',5'-Trifluorbiphenyl-2-yl)-3-difluormethyl-1-methyl-pyrazol-4-yl-carboxamid, N-(3',4',5'-Trifluorbiphenyl-2-yl)-3-difluormethyl-5-fluoro-1-methyl-pyrazol-4-yl- carboxamid, N-(3',4',5'-Trifluorbiphenyl-2-yl)-5-chlor-3-difluormethyl-1-methyl-pyrazol-4-yl- carboxamid, N-(3',4',5'-Trifluorbiphenyl-2-yl)-3-(chlordifluormethyl)-1-methyl-pyrazol-4-yl- carboxamid,N- (3 ', 4', 5'-trifluorobiphenyl-2-yl) -3- (chlorofluoromethyl) -1-methyl-pyrazol-4-ylcarboxamide, N- (3 ', 4', 5'-trifluorobiphenyl-2 -yl) -3-difluoromethyl-1-methyl-pyrazol-4-yl-carboxamide, N- (3 ', 4', 5'-trifluorobiphenyl-2-yl) -3-difluoromethyl-5-fluoro-1-methyl pyrazol-4-yl carboxamide, N- (3 ', 4', 5'-trifluorobiphenyl-2-yl) -5-chloro-3-difluoromethyl-1-methyl-pyrazol-4-yl-carboxamide, N- (3 ', 4', 5'-trifluorobiphenyl-2-yl) -3- (chlorodifluoromethyl) -1-methyl-pyrazol-4-yl-carboxamide,
N-(3',4',5'-Trifluorbiphenyl-2-yl)-1-methyl-3-trifluormethyl-pyrazol-4-yl-carboxamid,N- (3 ', 4', 5'-trifluorobiphenyl-2-yl) -1-methyl-3-trifluoromethyl-pyrazol-4-yl-carboxamide,
N-(3',4',5'-Trifluorbiphenyl-2-yl)-5-fluor-1-methyl-3-trifluormethyl-pyrazol-4-yl- carboxamid,N- (3 ', 4', 5'-trifluorobiphenyl-2-yl) -5-fluoro-1-methyl-3-trifluoromethyl-pyrazol-4-yl-carboxamide,
N-(3',4',5'-Trifluorbiphenyl-2-yl)-5-chlor-1-methyl-3-trifluormethyl-pyrazol-4-yl- carboxamid,N- (3 ', 4', 5'-trifluorobiphenyl-2-yl) -5-chloro-1-methyl-3-trifluoromethyl-pyrazol-4-yl-carboxamide,
N-(2',4',5'-Trifluorbiphenyl-2-yl)-1 ,3-dimethyl-pyrazol-4-yl-carboxamid,N- (2 ', 4', 5'-trifluorobiphenyl-2-yl) -1,3-dimethyl-pyrazol-4-yl-carboxamide,
N-(2',4',5'-Trifluorbiphenyl-2-yl)-1 ,3-dimethyl-5-fluor-pyrazol-4-yl-carboxamid, N-(2',4',5'-Trifluorbiphenyl-2-yl)-5-chlor-1 ,3-dimethyl-pyrazol-4-yl-carboxamid,N- (2 ', 4', 5'-trifluorobiphenyl-2-yl) -1,3-dimethyl-5-fluoro-pyrazol-4-yl-carboxamide, N- (2 ', 4', 5'-trifluorobiphenyl -2-yl) -5-chloro-1,3-dimethyl-pyrazol-4-yl-carboxamide,
N-(2',4',5'-Trifluorbiphenyl-2-yl)-3-fluormethyl-1-methyl-pyrazol-4-yl-carboxamid,N- (2 ', 4', 5'-trifluorobiphenyl-2-yl) -3-fluoromethyl-1-methyl-pyrazol-4-yl-carboxamide,
N-(2',4',5'-Trifluorbiphenyl-2-yl)-3-(chlorfluormethyl)-1-methyl-pyrazol-4-yl-carboxamid,N- (2 ', 4', 5'-trifluorobiphenyl-2-yl) -3- (chloro fluoromethyl) -1-methyl-pyrazol-4-yl-carboxamide,
N-(2',4',5'-Trifluorbiphenyl-2-yl)-3-difluormethyl-1-methyl-pyrazol-4-yl-carboxamid,N- (2 ', 4', 5'-trifluorobiphenyl-2-yl) -3-difluoromethyl-1-methyl-pyrazol-4-yl-carboxamide,
N-(2',4',5'-Trifluorbiphenyl-2-yl)-3-difluormethyl-5-fluor-1-methylpyrazol-4-yl- carboxamid,N- (2 ', 4', 5'-trifluorobiphenyl-2-yl) -3-difluoromethyl-5-fluoro-1-methylpyrazol-4-yl-carboxamide,
N-(2',4',5'-Trifluorbiphenyl-2-yl)-5-chlor-3-difluormethyl-1-methyl-pyrazol-4-yl- carboxamid,N- (2 ', 4', 5'-trifluorobiphenyl-2-yl) -5-chloro-3-difluoromethyl-1-methyl-pyrazol-4-yl-carboxamide,
N-(2',4',5'-Trifluorbiphenyl-2-yl)-3-(chlordifluormethyl)-1-methyl-pyrazol-4-yl- carboxamid, N-(2',4',5'-Trifluorbiphenyl-2-yl)-1-methyl-3-trifluormethyl-pyrazol-4-yl-carboxamid,N- (2 ', 4', 5'-trifluorobiphenyl-2-yl) -3- (chlorodifluoromethyl) -1-methyl-pyrazol-4-yl-carboxamide, N- (2 ', 4', 5'-trifluorobiphenyl -2-yl) -1-methyl-3-trifluoromethyl-pyrazol-4-yl-carboxamide,
N-(2',4',5'-Trifluorbiphenyl-2-yl)-5-fluor-1-methyl-3-trifluormethyl-pyrazol-4-yl- carboxamid,N- (2 ', 4', 5'-trifluorobiphenyl-2-yl) -5-fluoro-1-methyl-3-trifluoromethyl-pyrazol-4-yl-carboxamide,
N-(2',4',5'-Trifluorbiphenyl-2-yl)-5-chlor-1-methyl-3-trifluormethyl-pyrazol-4-yl- carboxamid, N-(3',4'-Dichlor-3-fluorbiphenyl-2-yl)-1 -methyl-3-trifluormethyl-1 H-pyrazol-4-yl- carboxamid,N- (2 ', 4', 5'-trifluorobiphenyl-2-yl) -5-chloro-1-methyl-3-trifluoromethyl-pyrazol-4-yl-carboxamide, N- (3 ', 4'-dichloro) 3-fluorobiphenyl-2-yl) -1-methyl-3-trifluoromethyl-1H-pyrazol-4-yl-carboxamide,
N-(3',4'-Dichlor-3-fluorbiphenyl-2-yl)-1-methyl-3-difluormethyl-1 H-pyrazol-4-yl- carboxamid,N- (3 ', 4'-dichloro-3-fluoro-biphenyl-2-yl) -1-methyl-3-difluoromethyl-1H-pyrazol-4-yl-carboxamide,
N-(3',4'-Difluor-3-fluorbiphenyl-2-yl)-1-methyl-3-trifluormethyl-1 H-pyrazol-4-carboxamid, N-(3',4'-Difluor-3-fluorbiphenyl-2-yl)-1 -methyl-3-difluormethyl-1 H-pyrazol-4-yl- carboxamid,N- (3 ', 4'-Difluoro-3-fluoro-biphenyl-2-yl) -1-methyl-3-trifluoromethyl-1H-pyrazole-4-carboxamide, N- (3', 4'-difluoro-3- fluorobiphenyl-2-yl) -1-methyl-3-difluoromethyl-1H-pyrazol-4-yl-carboxamide,
N-(3'-Chlor-4'-fluor-3-fluorbiphenyl-2-yl)-1-methyl-3-difluormethyl-1 H-pyrazol-4-yl- carboxamid,N- (3'-chloro-4'-fluoro-3-fluorobiphenyl-2-yl) -1-methyl-3-difluoromethyl-1H-pyrazol-4-yl-carboxamide,
N-(3',4'-Dichlor-4-fluorbiphenyl-2-yl)-1-methyl-3-trifluormethyl-1 H-pyrazol-4-yl- carboxamid,N- (3 ', 4'-dichloro-4-fluorobiphenyl-2-yl) -1-methyl-3-trifluoromethyl-1H-pyrazol-4-yl-carboxamide,
N-(3',4'-Difluor-4-fluorbiphenyl-2-yl)-1-methyl-3-trifluormethyl-1 H-pyrazol-4-yl- carboxamid,N- (3 ', 4'-difluoro-4-fluorobiphenyl-2-yl) -1-methyl-3-trifluoromethyl-1H-pyrazol-4-yl-carboxamide,
N-(3',4'-Dichlor-4-fluorbiphenyl-2-yl)-1-methyl-3-difluormethyl-1 H-pyrazol-4-yl- carboxamid, N-(3',4'-Difluor-4-fluorbiphenyl-2-yl)-1 -methyl-3-difluormethyl-1 H-pyrazol-4-yl- carboxamid, N-(3'-Chlor-4'-fluor-4-fluorbiphenyl-2-yl)-1-methyl-3-difluormethyl-1 H-pyrazol-4-yl- carboxamid,N- (3 ', 4'-dichloro-4-fluoro-biphenyl-2-yl) -1-methyl-3-difluoromethyl-1H-pyrazol-4-yl-carboxamide, N- (3', 4'-difluoro- 4-fluorobiphenyl-2-yl) -1-methyl-3-difluoromethyl-1H-pyrazol-4-yl-carboxamide, N- (3'-chloro-4'-fluoro-4-fluorobiphenyl-2-yl) -1-methyl-3-difluoromethyl-1H-pyrazol-4-yl-carboxamide,
N-(3',4'-Dichlor-5-fluorbiphenyl-2-yl)-1-methyl-3-trifluormethyl-1 H-pyrazol-4-yl- carboxamid, N-(3',4'-Difluor-5-fluorbiphenyl-2-yl)-1 -methyl-3-trifluormethyl-1 H-pyrazol-4-yl- carboxamid,N- (3 ', 4'-dichloro-5-fluorobiphenyl-2-yl) -1-methyl-3-trifluoromethyl-1H-pyrazol-4-yl-carboxamide, N- (3', 4'-difluoro-2-yl) 5-fluorobiphenyl-2-yl) -1-methyl-3-trifluoromethyl-1H-pyrazol-4-yl-carboxamide,
N-(3',4'-Dichlor-5-fluorbiphenyl-2-yl)-1-methyl-3-difluormethyl-1 H-pyrazol-4-yl- carboxamid, N-(3',4'-Difluor-5-fluorbiphenyl-2-yl)-1-methyl-3-difluormethyl-1 H-pyrazole-4-yl- carboxamid,N- (3 ', 4'-dichloro-5-fluorobiphenyl-2-yl) -1-methyl-3-difluoromethyl-1H-pyrazol-4-yl-carboxamide, N- (3', 4'-difluoro- 5-fluorobiphenyl-2-yl) -1-methyl-3-difluoromethyl-1H-pyrazole-4-yl-carboxamide,
N-(3',4'-Dichlor-5-fluorbiphenyl-2-yl)-1 ,3-dimethyl-1 H-pyrazol-4-yl-carboxamid, N-(3'-Chlor-4'-fluor-5-fluorbiphenyl-2-yl)-1-methyl-3-difluormethyl-1 H-pyrazole-4-yl- carboxamid, N-(4'-Fluor-4-fluorbiphenyl-2-yl)-1-methyl-3-trifluormethyl-1 H-pyrazol-4-yl-carboxamid, N-(4'-Fluor-5-fluorbiphenyl-2-yl)-1-methyl-3-trifluormethyl-1 H-pyrazole-4-yl-carboxamid, N-(4'-Chlor-5-fluorbiphenyl-2-yl)-1-methyl-3-trifluormethyl-1 H-pyrazol-4-yl-carboxamid, N-(4'-Methyl-5-fluorbiphenyl-2-yl)-1-methyl-3-trifluormethyl-1 H-pyrazol-4-yl-carboxamid, N-(4'-Fluor-5-fluorbiphenyl-2-yl)-1 ,3-dimethyl-1 H-pyrazol-4-yl-carboxamid, N-(4'-Chlor-5-fluorbiphenyl-2-yl)-1 ,3-dimethyl-1 H-pyrazol-4-yl-carboxamid, N-(4'-Methyl-5-fluorbiphenyl-2-yl)-1 ,3-dimethyl-1 H-pyrazol-4-yl-carboxamid,N- (3 ', 4'-dichloro-5-fluorobiphenyl-2-yl) -1,3-dimethyl-1H-pyrazol-4-yl-carboxamide, N- (3'-chloro-4'-fluoro) 5-fluorobiphenyl-2-yl) -1-methyl-3-difluoromethyl-1H-pyrazole-4-ylcarboxamide, N- (4'-fluoro-4-fluorobiphenyl-2-yl) -1-methyl-3 trifluoromethyl-1H-pyrazol-4-yl-carboxamide, N- (4'-fluoro-5-fluorobiphenyl-2-yl) -1-methyl-3-trifluoromethyl-1H-pyrazole-4-yl-carboxamide, N- (4'-chloro-5-fluorobiphenyl-2-yl) -1-methyl-3-trifluoromethyl-1H-pyrazol-4-yl-carboxamide, N- (4'-methyl-5-fluorobiphenyl-2-yl) yl) -1-methyl-3-trifluoromethyl-1H-pyrazol-4-yl-carboxamide, N- (4'-fluoro-5-fluorobiphenyl-2-yl) -1,3-dimethyl-1H-pyrazole 4-yl carboxamide, N- (4'-chloro-5-fluorobiphenyl-2-yl) -1, 3-dimethyl-1H-pyrazol-4-yl-carboxamide, N- (4'-methyl-5- fluorobiphenyl-2-yl) -1,3-dimethyl-1H-pyrazol-4-yl-carboxamide,
N-(4'-Fluor-6-fluorbiphenyl-2-yl)-1-methyl-3-trifluormethyl-1 H-pyrazol-4-yl-carboxamid, N-[2-(1 ,1 ,2,3,3,3-Hexafluorpropoxy)-phenyl]-3-difluormethyl-1-methyl- 1 H-pyrazol-4-yl-carboxamid, N-[4'-(Trifluormethylthio)-biphenyl-2-yl]-3-difluormethyl-1-methyl-1 H-pyrazol- 4-yl-carboxamid,N- (4'-fluoro-6-fluoro-biphenyl-2-yl) -1-methyl-3-trifluoromethyl-1H-pyrazol-4-yl-carboxamide, N- [2- (1,1,3,2) 3,3-hexafluoropropoxy) -phenyl] -3-difluoromethyl-1-methyl-1H-pyrazol-4-yl-carboxamide, N- [4 '- (trifluoromethylthio) -biphenyl-2-yl] -3-difluoromethyl- 1-methyl-1H-pyrazol-4-yl-carboxamide,
N-[4'-(Trifluormethylthio)-biphenyl-2-yl]-1 -methyl-3-trifluormethyl-1 -methyl-1 H-pyrazol- 4-yl-carboxamid,N- [4 '- (trifluoromethylthio) biphenyl-2-yl] -1-methyl-3-trifluoromethyl-1-methyl-1H-pyrazol-4-yl-carboxamide,
3-(Difluormethyl)-1 -methyl-N-[1 ,2,3,4-tetrahydro-9-(1 -methylethyl)-1 ,4- methanonaphthalen-5-yl]-1 H-pyrazol-4-yl-carboxamid, N-(3'-Chlor-5-fluorbiphenyl-2-yl)- 3-(difluormethyl)-1 -methylpyrazol-4-yl-carboxamid, N-(4'-Chlor-5-fluorbiphenyl-2-yl)- 3-(difluormethyl)-1 -methylpyrazol-4-yl-carboxamid, N-(4'-Chlorbiphenyl-2-yl)-3-(difluormethyl)-1 -methylpyrazol-4-yl-carboxamid, N-(4'-Brombiphenyl-2-yl)-3-(difluormethyl)-1 -methylpyrazol-4-yl-carboxamid, N-(4'-Jodbiphenyl-2-yl)-3-(difluormethyl)-1 -methylpyrazol-4-yl-carboxamid, N-(3',5'-Difluorbiphenyl-2-yl)-3-(difluormethyl)-1 -methylpyrazol-4-yl-carboxamid, N-(2-Chlor-4-fluor-phenyl)- 3-(difluormethyl)-1 -methylpyrazol-4-yl-carboxamid, N-(2-Brom-4-fluor-phenyl)- 3-(difluormethyl)-1 -methylpyrazol-4-yl-carboxamid, N-(2-Jod-4-fluor-phenyl)- 3-(difluormethyl)-1 -methylpyrazol-4-yl-carboxamid und N-[2-(1 ,3-Dimethylbutyl)-phenyl]-1 ,3-dimethyl-5-fluor-1 H-pyrazol-4-yl-carboxamid.3- (Difluoromethyl) -1-methyl-N- [1,2,3,4-tetrahydro-9- (1-methylethyl) -1, 4-methanonaphthalene-5-yl] -1H-pyrazol-4-yl carboxamide, N- (3'-chloro-5-fluorobiphenyl-2-yl) -3- (difluoromethyl) -1-methylpyrazol-4-yl-carboxamide, N- (4'-chloro-5-fluorobiphenyl-2-) yl) - 3- (difluoromethyl) -1-methylpyrazol-4-yl-carboxamide, N- (4'-chlorobiphenyl-2-yl) -3- (difluoromethyl) -1-methylpyrazol-4-yl-carboxamide, N- (4'-Bromobiphenyl-2-yl) -3- (difluoromethyl) -1-methylpyrazol-4-yl-carboxamide, N- (4'-iodobiphenyl-2-yl) -3- (difluoromethyl) -1-methylpyrazole 4-yl carboxamide, N- (3 ', 5'-Difluorobiphenyl-2-yl) -3- (difluoromethyl) -1-methylpyrazol-4-yl carboxamide, N- (2-chloro-4-fluoro-phenyl ) - 3- (difluoromethyl) -1-methylpyrazol-4-yl-carboxamide, N- (2-bromo-4-fluoro-phenyl) -3- (difluoromethyl) -1-methylpyrazol-4-yl-carboxamide, N- (2-iodo-4-fluoro-phenyl) - 3- (difluoromethyl) -1-methylpyrazol-4-yl-carboxamide and N- [2- (1,3-dimethylbutyl) -phenyl] -1,3-dimethyl- 5-fluoro-1H-pyrazol-4-yl-carboxamide.
Besonders bevorzugt sind dabei diejenigen Carboxamide (I), bei denen Ar für einen ein- bis dreifach substituierten Pyridyl- oder Pyrazolylring, wobei die Sub- stituenten unabhängig voneinander ausgewählt sind aus Halogen, Ci-C4-AIkVl und d- C4-Halogenalkyl, steht. Ganz besonders bevorzugt sind diejenigen Carboxamide (I), bei denen Ar für einen zwei- oder dreifach substituierten Pyrazolylring, wobei die Sub- stituenten unabhängig voneinander ausgewählt sind aus Halogen, CrC4-AIkVl und d- C4-Halogenalkyl, insbesondere Fluor, Chlor, Methyl, Difluormethyl und Trifluormethyl, steht.Particular preference is given to those carboxamides (I) in which Ar represents a mono- to trisubstituted pyridyl or pyrazolyl ring, the substituents being independently selected from halogen, C 1 -C 4 -alkyl and C 1 -C 4 -haloalkyl. Very particularly preferred carboxamides (I) in which Ar is a di- or tri-substituted pyrazolyl ring, said sub-substituents independently selected from halogen, -C 4 -alkyl and d-C 4 -haloalkyl, in particular fluorine, chlorine , Methyl, difluoromethyl and trifluoromethyl.
Die Reaktionsführung erfolgt erfindungsgemäß ohne Hilfsbase in einem organischen Lösungsmittel, das weitgehend wasserfrei ist. Unter einem geringen Wassergehalt werden dabei etwa 0,5 g bis 5 g Wasser pro mol an eingesetztem Säurechlorid (II) verstanden. Größere Wassermengen sind zu vermeiden, da das Wasser zu einem erhöhten Verbrauch an Einsatzstoffen führen würde.The reaction is carried out according to the invention without auxiliary base in an organic solvent which is substantially anhydrous. A low water content is understood to mean about 0.5 g to 5 g of water per mole of acid chloride (II) used. Larger amounts of water should be avoided, since the water would lead to an increased consumption of starting materials.
Brauchbare Lösungsmittel sind beispielsweise aromatische Kohlenwasserstoffe wieUseful solvents include, for example, aromatic hydrocarbons such as
Toluol, o-,m-,p-Xylol, Mesitylen, Ethylbenzol und Chlorbenzol, halogenierte aliphatische Kohlenwasserstoffe wie Tetrachlorethan und Dichlorethylen, Ether wie Methyl-tert- butylethyl, Tetrahydrofuran und Dioxan oder Mischungen der genannten Solventien. Besonders bevorzugte Lösungsmittel sind die aromatischen Kohlenwasserstoffe, ins- besondere Toluol und o-,m-,p-Xylol.Toluene, o-, m-, p-xylene, mesitylene, ethylbenzene and chlorobenzene, halogenated aliphatic hydrocarbons such as tetrachloroethane and dichloroethylene, ethers such as methyl tert-butylethyl, tetrahydrofuran and dioxane or mixtures of the solvents mentioned. Particularly preferred solvents are the aromatic hydrocarbons, in particular toluene and o-, m-, p-xylene.
Erfindungsgemäß legt man das Säurechlorid (II) vor, stellt den gewünschten Druck ein und dosiert das Arylamin (III) zu. Unter Zudosierung versteht man dabei sowohl die portionsweise als auch kontinuierliche Zugabe von (III) a) auf die Oberläche der Lösung von (II) oder b) direkt in die Lösung von (II), als „getauchte Reaktionsführung" bezeichnet.According to the invention, the acid chloride (II) is introduced, the desired pressure is established and the arylamine (III) is metered in. By metered addition is meant both the portionwise and continuous addition of (III) a) to the surface of the solution of (II) or b) directly into the solution of (II), referred to as "submerged reaction".
Der Druck wird in der Regel so gewählt, dass die Reaktionsmischung siedet.The pressure is usually chosen so that the reaction mixture boils.
Normalerweise arbeitet man bei einem Druck zwischen 0 und 700 mbar und einer Reaktionstemperatur von 20 bis 12O0C, vorzugsweise bei 200 bis 600 mbar und 70 bis 1000C, insbesondere bei 350 bis 450 mbar und 80 bis 9O0C.Normally, the reaction is carried out at a pressure between 0 and 700 mbar and a reaction temperature of 20 to 12O 0 C, preferably at 200 to 600 mbar and 70 to 100 0 C, in particular 350 to 450 mbar and 80 to 9O 0 C.
Säurechlorid (II) und Arylamin (III) werden etwa äquimolar oder eine der Komponenten in einem leichten Überschuß bis 10 mol% eingesetzt. Das Molverhältnis von (III) zu (II) liegt damit in der Regel bei 0,9 : 1 bis 1 ,1 : 1 , vorzugsweise bei etwa 1 ,0 bis 1 ,1.Acid chloride (II) and arylamine (III) are used approximately equimolar or one of the components in a slight excess to 10 mol%. The molar ratio of (III) to (II) is thus usually 0.9: 1 to 1, 1: 1, preferably about 1, 0 to 1, 1.
Die Zudosierung von (III), vorzugsweise gelöst in dem organischen Lösungsmittel, in dem auch (II) vorgelegt worden ist, erfolgt üblicherweise im Verlauf von 0,5 bis 20 Stunden, insbesondere 2 bis 10 Stunden, besonders bevorzugt 3 bis 5 Stunden. Die Freisetzung des Carboxamids (I) aus der Reaktionsmischung erfolgt vorzugsweise durch direkte Kristallisation oder durch Behandlung der Reaktionsmischung mit einer geeigneten Base und anschließender Kristallisation, z.B. bei (-20) bis 2O0C.The metered addition of (III), preferably dissolved in the organic solvent in which (II) has been initially introduced, is usually carried out in the course of 0.5 to 20 hours, in particular 2 to 10 hours, particularly preferably 3 to 5 hours. The release of the carboxamide (I) from the reaction mixture is preferably carried out by direct crystallization or by treatment of the reaction mixture with a suitable base and subsequent crystallization, for example at (-20) to 2O 0 C.
Als Base eignen sich hierfür Alkalimetallhydroxide wie Natrium- und Kaliumhydroxid, Alkalimetallcarbonate wie Natrium- und Kaliumcarbonat, Alkalimetallhydrogencarbona- te wie Natium- und Kaliumhydrogencarbonat, Alkalimetallphosphate wie Natrium- und Kaliumphosphat, Alkalimetallhydrogenphosphate wie Natrium- und Kaliumhydrogen- phosphat, Alkalimetaldilhydrogenphosphate wie Natrium- und Kaliumdihydrogen- phosphat, sowie Stickstoffbasen wie Ammoniak.Suitable bases are alkali metal hydroxides such as sodium and potassium hydroxides, alkali metal carbonates such as sodium and potassium carbonate, alkali metal hydrogencarbonates such as sodium and potassium bicarbonates, alkali metal phosphates such as sodium and potassium phosphate, alkali metal hydrogen phosphates such as sodium and potassium hydrogen phosphate, alkali metal dihydrogen phosphates such as sodium and potassium dihydrogen - Phosphate, and nitrogen bases such as ammonia.
Besonders bevorzugt sind die Alkalimetallhydroxide wie Natrium- und Kaliumhydroxid, Alkalimetallcarbonate wie Natrium- und Kaliumcarbonat sowie die Alkalimetallhydro- gencarbonate wie Natium- und Kaliumhydrogencarbonat.Particular preference is given to the alkali metal hydroxides, such as sodium and potassium hydroxides, alkali metal carbonates, such as sodium and potassium carbonate, and the alkali metal hydrogen carbonates, such as sodium and potassium bicarbonate.
Die Base kann in fester Form oder in Form ihrer handelsüblichen wässrigen Lösungen eingesetzt werden. Vorzugsweise verwendet man eine 1 bis 20 Gew.%ige wässrige Lösung, wobei die Menge so zu bemessen ist, dass der pH-Wert der Lösung bei 3 bis 12, vorzugsweise 7 bis 10, liegt.The base can be used in solid form or in the form of their commercially available aqueous solutions. Preferably, a 1 to 20 wt.% Aqueous solution is used, wherein the amount is to be such that the pH of the solution at 3 to 12, preferably 7 to 10, lies.
Das kristalline Wertprodukt kann schließlich mittels üblicher Methoden, z.B. Filtration, abgetrennt werden.Finally, the crystalline product of value can be purified by conventional methods, e.g. Filtration, to be separated.
Die Verfahrensprodukte (I) sind wertvolle Wirkstoffe im Pflanzenschutz.The process products (I) are valuable active ingredients in crop protection.
Ausführungsbeispiele:EXAMPLES
Beispiel 1example 1
Synthese von 3-Difluormethyl-1-methyl-1 H-pyrazol-4-carbonsäure (3', 4', 5'-trifluor- biphenyl-2-yl)-amidSynthesis of 3-Difluoromethyl-1-methyl-1H-pyrazole-4-carboxylic acid (3 ', 4', 5'-trifluorobiphenyl-2-yl) -amide
100,0 g (0,504 mol, 98 %ig rein) 3-Difluormethyl-1-methyl-1 H-pyrazol-4-carbonsäure- chlorid wurde bei 25°C in 257,2 g Toluol gelöst. Die Lösung wurde auf 400 mbar evakuiert und auf 85°C erwärmt. Anschließend wurden innerhalb von 3 Stunden 492,8 g (0,499 mol, 23 %ige) toluolische 3',4',5'-Trifluor-biphenyl-2-yl-amin-Lösung zudosiert, wonach man noch 1 Stunde nachrührte. Nach Belüftung und Abkühlung mit einer Rampe von 10°C/Std. auf 25°C wurde über Nacht gerührt. Anschließend wurde auf 00C abgekühlt, die festen Bestandteile abfiltriert, mit kaltem Toluol gewaschen und bei 800C unter reduziertem Druck getrocknet. Die Ausbeute (ohne weitere Bearbeitung der Mutterlauge) lag bei 177,7 g (92 %). BeispieH a (Vergleichsversuch)100.0 g (0.504 mol, 98% pure) of 3-difluoromethyl-1-methyl-1H-pyrazole-4-carboxylic acid chloride was dissolved at 25 ° C. in 257.2 g of toluene. The solution was evacuated to 400 mbar and heated to 85 ° C. Subsequently, 492.8 g (0.499 mol, 23% strength) of toluene 3 ', 4', 5'-trifluoro-biphenyl-2-yl-amine solution were metered in over 3 hours, after which stirring was continued for 1 hour. After aeration and cooling with a ramp of 10 ° C / h. at 25 ° C was stirred overnight. It was then cooled to 0 ° C., the solid constituents were filtered off, washed with cold toluene and dried at 80 ° C. under reduced pressure. The yield (without further processing of the mother liquor) was 177.7 g (92%). Example a (comparative experiment)
Synthese von 3-Difluormethyl-1 -methyl-1 H-pyrazol-4-carbonsäure (3',4',5'-trifluor- biphenyl-2-yl)-amid (analoge Reaktionsführung zu Beispiel 1 aus JP-A 2001/172276, S. 10)Synthesis of 3-Difluoromethyl-1-methyl-1H-pyrazole-4-carboxylic acid (3 ', 4', 5'-trifluorobiphenyl-2-yl) -amide (analogous reaction procedure to Example 1 from JP-A 2001 / 172276, p. 10)
19.0 g (0,085 mol, 99,8 %ig rein) 3',4',5'-Trifluor-biphenyl-2-yl amin wurden in 400,0 g Toluol gelöst. Innerhalb von 1 Min. wurden 17,7 g (0,089 mol, 98,1 %ig) 3- Difluormethyl-1-methyl-1 H-pyrazol-4-carbonsäurechlorid bei 25°C zugegeben. Anschließend wurde die Reaktionsmischung auf 72 mbar evakuiert und 3 Stunden lang auf 400C erhitzt. Nach 15 Min. bildete sich ein weißer Feststoff, der im weiteren Verlauf zu einer viskosen, gelartigen Suspension überging. Nach Abkühlung auf 00C wurde über eine Glasfritte filtriert (sehr langsam, Verstopfungen) und der Filterkuchen mit kaltem Toluol gewaschen. Der Rückstand wurde bei reduziertem Druck getrocknet und lieferte 15,0 g eines Gemisches aus 3',4',5'-Trifluor-biphenyl-2-yl amin hydrochlorid (40 Gew.%) und 3-Difluormethyl-1 -methyl-1 H-pyrazol-4-carbonsäure (3',4',5'-trifluor-biphenyl-2-yl)-amid (48 Gew.%). Die Mutterlauge (375,0 g) enthielt 2,8 Gew.% 3-Difluormethyl-1-methyl- 1 H-pyrazol-4-carbonsäure (3',4',5'-trifluor-biphenyl-2-yl)-amid. Rein rechnerisch betrug die Ausbeute somit ca. 54 %.19.0 g (0.085 mol, 99.8% pure) of 3 ', 4', 5'-trifluoro-biphenyl-2-yl amine were dissolved in 400.0 g of toluene. Within 1 min, 17.7 g (0.089 mol, 98.1% strength) of 3-difluoromethyl-1-methyl-1H-pyrazole-4-carbonyl chloride were added at 25 ° C. Subsequently, the reaction mixture was evacuated to 72 mbar and heated to 40 ° C. for 3 hours. After 15 min., A white solid formed, which later turned into a viscous, gel-like suspension. After cooling to 0 ° C., it was filtered through a glass frit (very slowly, blockages) and the filter cake was washed with cold toluene. The residue was dried under reduced pressure to yield 15.0 g of a mixture of 3 ', 4', 5'-trifluorobiphenyl-2-yl amine hydrochloride (40% by weight) and 3-difluoromethyl-1-methyl-1 H-pyrazole-4-carboxylic acid (3 ', 4', 5'-trifluorobiphenyl-2-yl) -amide (48% by weight). The mother liquor (375.0 g) contained 2.8% by weight of 3-difluoromethyl-1-methyl-1H-pyrazole-4-carboxylic acid (3 ', 4', 5'-trifluorobiphenyl-2-yl) - amide. In purely mathematical terms, the yield was thus about 54%.
Beispiel 2Example 2
Synthese von 3-Difluormethyl-1 -methyl-1 H-pyrazol-4-carbonsäure (3',5'-difluor- biphenyl-2-yl)-amidSynthesis of 3-Difluoromethyl-1-methyl-1H-pyrazole-4-carboxylic acid (3 ', 5'-difluorobiphenyl-2-yl) -amide
38,9 g (0,196 mol, 98 %ig rein) 3-Difluormethyl-1 -methyl-1 H-pyrazol-4-carbonsäure- chlorid wurde bei 25°C in 100,0 g Toluol gelöst. Die Lösung wurde auf 400 mbar evakuiert und auf 85°C erwärmt. Anschließend wurden innerhalb von 1 ,5 Stunden 173,0 g (0,194 mol, 23 %ig) toluolische 3',4'-Difluor-biphenyl-2-yl amin-Lösung zudosiert und die Reaktionsmischung 1 Stunde nachgerührt. Nach Belüftung und Abkühlung auf Raumtemperatur wurde unter reduziertem Druck auf ca. 100 ml Volumen eingeengt. Der Feststoffanteil wurde abfiltriert, mit n-Hexan gewaschen und bei 85°C unter reduziertem Druck getrocknet. Die Ausbeute (ohne weitere Bearbeitung der Mutterlauge) lag bei 46,5 g (66 %).38.9 g (0.196 mol, 98% pure) of 3-difluoromethyl-1-methyl-1H-pyrazole-4-carboxylic acid chloride was dissolved at 25 ° C in 100.0 g of toluene. The solution was evacuated to 400 mbar and heated to 85 ° C. Subsequently, 173.0 g (0.194 mol, 23% strength) of toluene 3 ', 4'-difluoro-biphenyl-2-yl amine solution were metered in over the course of 1.5 hours and the reaction mixture was stirred for a further hour. After aeration and cooling to room temperature, the mixture was concentrated under reduced pressure to about 100 ml volume. The solids content was filtered off, washed with n-hexane and dried at 85 ° C under reduced pressure. The yield (without further processing of the mother liquor) was 46.5 g (66%).
Beispiel 3Example 3
Synthese von 1 ,3-Dimethyl-1 H-pyrazol-4-carbonsäure (3', 4', 5'-trifluor-biphenyl-2-yl)- amidSynthesis of 1, 3-dimethyl-1H-pyrazole-4-carboxylic acid (3 ', 4', 5'-trifluorobiphenyl-2-yl) -amide
79.1 g (0,494 mol, 99 %ig rein) 1 ,3-Dimethyl-1 H-pyrazol-4-carbonsäurechlorid wurde bei 25°C in 257,2 g Toluol gelöst. Die Lösung wurde auf 400 mbar evakuiert und auf79.1 g (0.494 mol, 99% pure) of 1, 3-dimethyl-1 H-pyrazole-4-carbonyl chloride was dissolved at 25 ° C in 257.2 g of toluene. The solution was evacuated to 400 mbar and on
85°C erwärmt. Anschließend wurden innerhalb von 3 Stunden 483,0 g (0,489 mol, 23 %ig) toluolische 3',4',5'-Trifluor-biphenyl-2-yl amin-Lösung dosiert und die Reaktionsmischung 1 Stunde nachgerührt. Nach Belüftung und Abkühlung auf 700C wurde mit einer Kühlrampe von 5°C/Std. auf 200C gekühlt und über Nacht gerührt. Anschließend wurde auf 00C abgekühlt, der Feststoffanteil abfiltriert, mit kaltem Toluol gewa- sehen und bei 800C unter reduziertem Druck getrocknet. Die Ausbeute (ohne weitere Bearbeitung der Mutterlauge) lag bei 155,4 g (92 %).Heated to 85 ° C. 483.0 g (0.489 mol, 23%) of toluene 3 ', 4', 5'-trifluoro-biphenyl-2-yl amine solution and the reaction mixture stirred for 1 hour. After aeration and cooling to 70 0 C was with a cooling ramp of 5 ° C / hr. cooled to 20 0 C and stirred overnight. The mixture was then cooled to 0 0 C, the solids filtered off, see washed with cold toluene and dried at 80 0 C under reduced pressure. The yield (without further processing of the mother liquor) was 155.4 g (92%).
Beispiel 4Example 4
Synthese von S-Difluormethyl-i-methyl-I H-pyrazoM-carbonsäure (2-chlor-phenyl)- amidSynthesis of S-Difluoromethyl-i-methyl-1H-pyrazole-2-carboxylic acid (2-chloro-phenyl) -amide
80,0 g (0,403 mol, 98 %ig rein) 3-Difluormethyl-1-methyl-1 H-pyrazol-4-carbonsäure- chlorid wurden bei 25°C in 257,2 g Toluol gelöst. Die Lösung wurde auf 400 mbar evakuiert und auf 85°C erwärmt. Anschließend wurden innerhalb von 3 Stunden 221 ,3 g (0,399 mol, 23 %ig) toluolische 2-Chlor-anilin -Lösung zudosiert und die Reaktionsmischung 1 Stunde nachgerührt. Nach Belüftung und Abkühlung mit einer Rampe von 10°C/Std. auf 200C wurde über Nacht gerührt. Anschließend wurde auf 0°C abgekühlt, der Feststoffanteil abfiltriert, mit kaltem Toluol gewaschen und bei 80°C unter reduziertem Druck getrocknet. Die Ausbeute (ohne weitere Bearbeitung der Mutterlauge) lag bei 105 g (92 %).80.0 g (0.403 mol, 98% pure) of 3-difluoromethyl-1-methyl-1 H-pyrazole-4-carboxylic acid chloride were dissolved at 25 ° C in 257.2 g of toluene. The solution was evacuated to 400 mbar and heated to 85 ° C. 221.3 g (0.399 mol, 23% strength) of toluene-2-chloroaniline solution were subsequently metered in over the course of 3 hours, and the reaction mixture was stirred for a further hour. After aeration and cooling with a ramp of 10 ° C / h. to 20 0 C was stirred overnight. It was then cooled to 0 ° C, the solids fraction was filtered off, washed with cold toluene and dried at 80 ° C under reduced pressure. The yield (without further processing of the mother liquor) was 105 g (92%).
Beispiel 5Example 5
Synthese von 3-Difluormethyl-1-methyl-1 H-pyrazol-4-carbonsäure (3', 4'-dichlor-5- fluor-biphenyl-2-yl)-amidSynthesis of 3-Difluoromethyl-1-methyl-1H-pyrazole-4-carboxylic acid (3 ', 4'-dichloro-5-fluoro-biphenyl-2-yl) -amide
5,6 g (0,029 mol, 98 %ig rein) 3-Difluormethyl-1-methyl-1 H-pyrazol-4-carbonsäure- chlorid wurden bei 25°C in 10,4 g Toluol gelöst. Die Lösung wurde auf 400 mbar evakuiert und auf 85°C erwärmt. Anschließend wurden innerhalb von 5 Minuten 7,8 g (0,030 mol, ca. 92 %ig) 3',4'-Dichlor-5-fluor-biphenyl-2-yl-amin, gelöst in 28 g Toluol, zudosiert und die Reaktionsmischung 1 Stunde nachgerührt. Nach Belüftung und Abkühlung auf 25°C über Nacht wurde weiter auf 00C abgekühlt, der Feststoffanteil abfiltriert, mit kaltem Toluol gewaschen und bei 800C unter reduziertem Druck getrocknet. Die Ausbeute (ohne weitere Bearbeitung der Mutterlauge) lag bei 8,1 g (71 %).5.6 g (0.029 mol, 98% pure) of 3-difluoromethyl-1-methyl-1 H-pyrazole-4-carboxylic acid chloride were dissolved at 25 ° C in 10.4 g of toluene. The solution was evacuated to 400 mbar and heated to 85 ° C. Then, within 5 minutes, 7.8 g (0.030 mol, about 92%) of 3 ', 4'-dichloro-5-fluoro-biphenyl-2-yl-amine, dissolved in 28 g of toluene, metered in and the reaction mixture Stirred for 1 hour. After aeration and cooling to 25 ° C overnight, the mixture was further cooled to 0 0 C, the solids fraction was filtered off, washed with cold toluene and dried at 80 0 C under reduced pressure. The yield (without further processing of the mother liquor) was 8.1 g (71%).
Beispiel 6Example 6
Synthese von S-Difluormethyl-i-methyl-I H-pyrazoM-carbonsäure (2-bicyclopropyl-2- yl-phenyl)-amidSynthesis of S-Difluoromethyl-i-methyl-1H-pyrazole-2-carboxylic acid (2-bicyclopropyl-2-yl-phenyl) -amide
16,7 g (0,086 mol, 98 %ig rein) 3-Difluormethyl-1-methyl-1 H-pyrazol-4-carbonsäure- chlorid wurden bei 25°C in 48,0 g Toluol gelöst. Die Lösung wurde auf 400 mbar evakuiert und auf 85°C erwärmt. Anschließend wurden innerhalb von 45 Min. 15,0 g (0,087 mol) 2-Bicyclopropyl-2-yl-phenylamin, gelöst in 51 ,6 g Toluol, zudosiert und die Reaktionsmischung 1 Std. nachgerührt. Nach Belüftung und Abkühlung auf 25°C wurde ü- ber Nacht gerührt. Anschließend wurde das Gemisch unter reduziertem Druck eingeengt und getrocknet. Die Ausbeute lag bei 27,3 g (96 %).16.7 g (0.086 mol, 98% pure) of 3-difluoromethyl-1-methyl-1 H-pyrazole-4-carboxylic acid chloride were dissolved at 25 ° C in 48.0 g of toluene. The solution was evacuated to 400 mbar and heated to 85 ° C. Subsequently, 15.0 g (0.087 mol) 2-bicyclopropyl-2-yl-phenylamine, dissolved in 51, 6 g of toluene, metered in and the reaction mixture stirred for 1 hr. After aeration and cooling to 25 ° C was stirred overnight. Then, the mixture was concentrated under reduced pressure and dried. The yield was 27.3 g (96%).
Beispiel 7Example 7
Synthese von S-Difluormethyl-i-methyl-I H-pyrazoM-carbonsäure (9-isopropyl-1 ,2,3,4- tetrahydro-1 ,4-methano-naphthalen-5-yl)-amidSynthesis of S-Difluoromethyl-i-methyl-1H-pyrazole-M-carboxylic acid (9-isopropyl-1,2,3,4-tetrahydro-1,4-methano-naphthalen-5-yl) -amide
15,1 g (0,0752 mol, 96,5%ig rein) 3-Difluormethyl-1-methyl-1 H-pyrazol-4-carbonsäure- chlorid wurden bei 25°C in 100 ml Toluol gelöst. Die Lösung wurde auf 350 mbar evakuiert und auf 85°C erwärmt. Anschließend wurden innerhalb von 60 min 20 g (0,074 mol, 75 %; syn/anti-lsomerengemisch 65:10) 9-lsopropyl-1 ,2,3,4-tetrahydro-1 ,4- methano-naphthalen-5-ylamin, gelöst in 100ml Toluol, zudosiert und die Reaktionsmi- schung 1 Stunde nachgerührt. Nach Belüftung und Abkühlung auf 25°C wurde über Nacht gerührt. Anschließend wurde das Gemisch unter reduziertem Druck eingeengt und getrocknet. Die Ausbeute lag bei 31 ,3 g; gemäß 1 H-NMR 70%ig (82 %).15.1 g (0.0752 mol, 96.5% pure) of 3-difluoromethyl-1-methyl-1 H-pyrazole-4-carboxylic acid chloride were dissolved at 25 ° C in 100 ml of toluene. The solution was evacuated to 350 mbar and heated to 85 ° C. 20 g (0.074 mol, 75%, syn / anti-isomer mixture 65:10) of 9-isopropyl-1,2,3,4-tetrahydro-1,4-methano-naphthalen-5-ylamine were then added over 60 min. dissolved in 100 ml of toluene, metered in and the reaction mixture stirred for 1 hour. After aeration and cooling to 25 ° C was stirred overnight. Then, the mixture was concentrated under reduced pressure and dried. The yield was 31, 3 g; according to 1 H-NMR 70% (82%).
Beispiel 8 Synthese von 2-Chlor-N-(4'-chlor-biphenyl-2-yl)nicotinamidExample 8 Synthesis of 2-chloro-N- (4'-chlorobiphenyl-2-yl) nicotinamide
100,0 g (0,557 mol, 98 %ig rein) 3-Difluormethyl-1-methyl-1 H-pyrazol-4-carbonsäure- chlorid wurden bei 25°C in 80,0 g Toluol gelöst. Die Lösung wurde auf 200 mbar evakuiert und auf 95°C erwärmt. Anschließend wurden innerhalb von 2,5 Stunden 396,8 g (0,541 mol, 28 %ig) xylolische 4'Chlor-biphenyl-2-yl-amin-Lösung dosiert und die Reaktionsmischung 1 Stunde nachgerührt. Nach Belüftung und Abkühlung auf 87°C wurde mit 1 g 2-Chlor-N-(4'-chlor-biphenyl-2-yl)nicotinamid angeimpft und die Temperatur für 1 Stunde gehalten. Anschließend wurde mit einer Rampe von 5°C/Std. auf 25°C abgekühlt. Nach weiterer Kühlung auf 10-150C wurde der Feststoffanteil abfiltriert, mit kaltem XyIoI gewaschen und bei 800C unter reduziertem Druck getrocknet. Die Ausbeute (ohne weitere Bearbeitung der Mutterlauge) lag bei 166,4 g (73 %). Das HPLC zeigt das gewünschte Produkt und das doppelt acylierte Produkt im Verhältnis 85:15 Flächen %. 100.0 g (0.557 mol, 98% pure) of 3-difluoromethyl-1-methyl-1H-pyrazole-4-carboxylic acid chloride were dissolved at 25 ° C. in 80.0 g of toluene. The solution was evacuated to 200 mbar and heated to 95 ° C. 396.8 g (0.541 mol, 28% strength) of 4'-chlorobiphenyl-2-yl-amine solution were then metered in over the course of 2.5 hours and the reaction mixture was stirred for a further hour. After aeration and cooling to 87 ° C was inoculated with 1 g of 2-chloro-N- (4'-chloro-biphenyl-2-yl) nicotinamide and kept the temperature for 1 hour. Subsequently, with a ramp of 5 ° C / hr. cooled to 25 ° C. After further cooling to 10-15 0 C, the solids content was filtered off, washed with cold XyIoI and dried at 80 0 C under reduced pressure. The yield (without further processing of the mother liquor) was 166.4 g (73%). The HPLC shows the desired product and the double-acylated product in the ratio 85:15 area%.
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| US7320992B2 (en) | 2003-08-25 | 2008-01-22 | Amgen Inc. | Substituted 2,3-dihydro-1h-isoindol-1-one derivatives and methods of use |
| DE10351088A1 (en) | 2003-10-31 | 2005-06-02 | Bayer Cropscience Gmbh | Process for preparing fluoromethyl-substituted heterocycles |
| JP2007513107A (en) | 2003-12-05 | 2007-05-24 | アクテリオン ファマシューティカルズ リミテッド | Diazabicyclononene and tetrahydropyridine derivatives with new side chains |
| PE20060096A1 (en) * | 2004-06-18 | 2006-03-16 | Basf Ag | (ORTHO-PHENYL) -ANILIDES OF 1-METHYL-3-DIFLUORomethyl-PIRAZOLE-4-CARBOXYL ACID AS FUNGICIDE AGENTS |
| DE102005007160A1 (en) * | 2005-02-16 | 2006-08-24 | Basf Ag | Pyrazolecarboxylic acid anilides, process for their preparation and compositions containing them for controlling harmful fungi |
| DE102005009458A1 (en) * | 2005-03-02 | 2006-09-07 | Bayer Cropscience Ag | pyrazolylcarboxanilides |
| US20090239748A1 (en) | 2005-06-30 | 2009-09-24 | Basf Aktiengesellschaft | Fungicidal Mixtures Based on 2,5-Disubstituted N-Biphenylpyrazolcarboxamides |
| EP2253623B1 (en) | 2005-09-16 | 2013-10-23 | Syngenta Participations AG. | New crystal form of a pyrazole fungicide |
| EP2086944B1 (en) | 2006-11-03 | 2010-01-13 | Basf Se | Process for preparing difluoromethylpyrazolyl carboxylates |
| WO2008077907A1 (en) | 2006-12-21 | 2008-07-03 | Basf Se | Process for preparing fluoromethyl-substituted heterocyclic compounds |
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2009
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- 2009-05-06 UA UAA201014233A patent/UA103323C2/en unknown
- 2009-05-06 KR KR1020107027506A patent/KR20110004903A/en not_active Ceased
- 2009-05-06 WO PCT/EP2009/055446 patent/WO2009135860A1/en active Application Filing
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- 2009-05-06 DK DK09742078.0T patent/DK2285779T3/en active
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- 2009-05-06 BR BRPI0912383-0A patent/BRPI0912383A2/en not_active Application Discontinuation
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8481778B2 (en) | 2007-08-16 | 2013-07-09 | Solvay (Societe Anonyme) | Process for the preparation of esters of 4-fluorosubstituted 3-oxo-alcanoic acids |
Also Published As
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|---|---|
| CA2721695C (en) | 2016-04-12 |
| EA201001730A1 (en) | 2011-06-30 |
| BRPI0912383A2 (en) | 2015-07-28 |
| ES2409605T3 (en) | 2013-06-27 |
| AU2009245791B2 (en) | 2013-05-16 |
| CN102015649B (en) | 2013-06-19 |
| US8350046B2 (en) | 2013-01-08 |
| UA103323C2 (en) | 2013-10-10 |
| EP2285779B1 (en) | 2013-03-27 |
| ZA201008742B (en) | 2012-02-29 |
| PL2285779T3 (en) | 2013-08-30 |
| CA2721695A1 (en) | 2009-11-12 |
| EA018518B1 (en) | 2013-08-30 |
| PT2285779E (en) | 2013-05-22 |
| DK2285779T3 (en) | 2013-06-24 |
| IL208657A0 (en) | 2010-12-30 |
| MX2010011276A (en) | 2010-11-09 |
| JP2011519895A (en) | 2011-07-14 |
| MX317270B (en) | 2014-01-20 |
| US20110054183A1 (en) | 2011-03-03 |
| AU2009245791A1 (en) | 2009-11-12 |
| JP5731374B2 (en) | 2015-06-10 |
| CN102015649A (en) | 2011-04-13 |
| KR20110004903A (en) | 2011-01-14 |
| IL208657A (en) | 2014-05-28 |
| AR071694A1 (en) | 2010-07-07 |
| WO2009135860A1 (en) | 2009-11-12 |
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